Up for sale is a Atlas Craftsman 10/12 inch lathe collet attachment. Item is in very nice working condition. It has the 1 1/2"-8 spindle mount hole. It uses ER32 collets. (10) of the collets have never been used. Comes with (11) collets. Sizes are shown in the pics. This unit is very well made. Will work on other lathes as well. It comes with what is shown. Thanks for looking and good luck bidding.